Gietl, A; Giegling, I; Hartmann, A M; Schneider, B; Schnabel, A; Maurer, K; Möller, H J; Rujescu, D (2007). ABCG1 gene variants in suicidal behavior and aggression-related traits. European Neuropsychopharmacology, 17(6-7):410-416.
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The ABCG1 transporter seems to be involved in human cholesterol and sterol homeostasis. As alterations in cholesterol homeostasis have been widely linked to aggression, violence and suicidal behavior, we considered ABCG1 as a candidate gene for these traits. We studied 5 gene variants of ABCG1 in a sample of 571 suicide attempters, healthy controls and suicide completers. We also analyzed the relation to aggression-related traits, assessed by STAXI and FAF. Regarding the genotypes, there was no association with completed or attempted suicide with the tested SNPs. Regarding alleles, only one SNP (rs1044317) showed a slight association with suicide attempters in comparison to the controls. Interestingly, rs225374 G allele carriers had higher scores on the STAXI subscales "State Anger" and "Anger Out", as well as on the FAF subscales "Spontaneous Aggression", "Irritability" and "Aggression". Carriers of the rs914189 G allele scored higher on the FAF subscales "Spontaneous Aggression", "Reactive Aggression" and "Aggression". Carriers of the rs1044317 G allele had lower scores for STAXI "Trait Anger" and "Trait Temperament", and higher scores for STAXI "Anger Control". Our results provide evidence that the ABCG1 may influence aggression-related traits. Given that these represent intermediate phenotypes of suicidal behavior, ABCG1 might also act on suicidal behavior through these traits. The observed associations warrant further replications.
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > Psychiatric University Hospital Zurich > Division of Psychiatric Research and Clinic for Psychogeriatric Medicine|
|DDC:||610 Medicine & health|
|Deposited On:||13 Sep 2011 13:07|
|Last Modified:||23 Nov 2012 16:59|
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